2,4-Dihydroxybenzaldehyde
Also known as: β-Resorcylaldehyde, 4-Formylresorcinol, 4-Hydroxysalicylaldehyde, Benzaldehyde, 2,4-dihydroxy-, Resorcialdehyde
2,4-Dihydroxybenzaldehyde (CAS 95-01-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6O3 and a molecular weight of 138.121 g/mol. Key properties include a melting point of 135-137 °C(lit.), a boiling point of 350.7±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 165.9±16.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 95-01-2
- Jingsj CID
- J-38219-3
- Molecular Formula
- C7H6O3
- Molecular Weight
- 138.121 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 135-137 °C(lit.) |
|---|---|
| Boiling Point | 350.7±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 165.9±16.1 °C |
| Exact Mass | 138.031693 |
| PSA | 57.53000 |
| LogP | 1.38 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.674 |
| Additional Property | soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2912499000 |
|---|---|
| Summary | 2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,4-Dihydroxybenzaldehyde?
The CAS number of 2,4-Dihydroxybenzaldehyde is 95-01-2.
What are the molecular formula and molecular weight of 2,4-Dihydroxybenzaldehyde?
2,4-Dihydroxybenzaldehyde has molecular formula C7H6O3 and molecular weight 138.121 g/mol.
Is 2,4-Dihydroxybenzaldehyde hazardous?
2,4-Dihydroxybenzaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2,4-Dihydroxybenzaldehyde?
For 2,4-Dihydroxybenzaldehyde, Upstream Products: Resorcinol, N,N-Dimethylformamide, Zinc cyanide; Downstream Products: 5-Hydroxy-2,2-dimethyl-2H-chromene-6-carbaldehyde, 4-Methylresorcinol, Isofraxidin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dihydroxybenzaldehyde (CAS 95-01-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38219-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.